Temporary sound installation
Wasserturm, Zurich
Address: Badweg 10, 8001-CH

For the latest project at the Wasserturm in Zurich, OTO SOUND MUSEUM presents an experimental intervention entitled Gravity sounds by artists Pe Lang & Marianthi Papalexandri Alexandri. As peculiar to their practices – intersected for a long time – the artists construct a site-specific mechanism that expands on a large scale along the verticality of the tower, transforming it into an enormous musical instrument. Interested in the theme of gravity and the laws of physics, the artists here convert the tower into a sound object that had never existed before, inventing a musical tuning system from the spatial features of the building which soars four floors into the sky. Thanks to the imagined mechanism and the activation of a complex behavior, Gravity sounds offered a sonic experience that could return different harmonies and stages of vibration evoking the sound of water. The intervention Gravity sounds takes the form of an ephemeral installation offering a collective listening diffused in the urban space.

The sound installation is curated by Zaira Oram [Francesca Ceccherini]


Sound artist Marianthi Papalexandri Alexandri (*1974, Greece) and kinetic artist Pe Lang (*1974, Switzerland) have worked together since 2008 after realizing their shared interest in combining sound, kinetics, and visual arts. Their collaborative works oscillate between sound art and the designing of new musical instruments. New ways of thinking about materiality and cybernetics strongly influence their work. They are particularly interested in creating mechanical and autonomous lifelike sculptures and installations without software and digital means. Instead, they combine controlled and uncontrolled mechanical and organic parts into a lifelike organism that forms and interacts with itself and the space around it. They create kinetic systems out of deconstructed, repurposed, and reprogrammed analog physical materials and objects and place them in a way that causes them to move and behave in a way that causes random and unpredictable behavior and sounds. Their work achieves a delicate balance between control and surprise, precision and randomness, which is evident in every creation.
By embracing this delicate equilibrium, they immerse viewers and listeners in mesmerizing artistic experiences that challenge conventional boundaries and preconceived notions. In 2021, Papalexandri and Lang received the Aurelie Nemours Prize in recognition of their outstanding work and accomplishments on an international level, both individually and as a duo, for their collaborative works and overall contribution to the visual and sound art field.

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